What is the reciprocal of the whole number 6

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

If g^-1(x) is the inverse of g (x) which statement must be true